Welcome to our store! Mechanical counter package contents: Small electronic instrument, easy to carry. Click counter material: these resettable digital finger counters are mainly made of rubber, they are light, durable and strong, comfortable to wear with smooth rings; They can be applied repeatedly for a long time under proper use. Adjustable Strap: Thanks to the adjustable ring strap, you can count your rows or stitches without interrupting your work. No more stopping to make a mark on a sheet of paper or turning a manual line counter. Works great for knitters and crocheters. Small Size Digital Counter: Small and compact design, one-handed operation. Easy to read, easy to use. Wide Applications: These 5-digit LED electronic finger counters are suitable for sports score tracking, recording number of running laps, jumping rope and swerving; These counters are widely applied in docks, bus stops, schools, laboratories, competitions, stadiums, casinos, restaurants, bars, training activities, etc. Quantity Delivery: 2 PCS Product color: Black, yellow Product dimensions: chassis diameter 7mm, column diameter 1.8mm, total height 5mM Note: Manual measurement, please allow error of 1 - 3cm!!! 100% satisfaction - Our customers are our priority. If you find any problems with the products after receiving the goods, such as damage and incorrect quantity, please contact us immediately. We do our best to provide you with satisfactory after-sales service.